/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageName.h
Convert a long package name into root, path, and name components
True if the conversion was possible, false otherwise
static bool SplitLongPackageName ( const [FString](API\Runtime\Core\Containers\FString) & InLongPackageName, [FString](API\Runtime\Core\Containers\FString) & OutPackageRoot, [FString](API\Runtime\Core\Containers\FString) & OutPackagePath, [FString](API\Runtime\Core\Containers\FString) & OutPackageName, const bool bStripRootLeadingSlash )